Dietary supplements and the COVID-19 pandemic: a long-form medical review of the global sales surge
During the early COVID-19 pandemic (2020–2021) global sales of dietary supplements—especially products positioned for immune support (vitamin D, vitamin C, zinc, elderberry, multivitamins, probiotics)—rose sharply. This review synthesizes peer-reviewed literature, market reports and authoritative health-agency statements to describe how much sales moved, which categories grew the most, regional patterns, drivers (psychological, epidemiological, distributional), safety/regulatory issues, … Read more